A Case-Control Study between Gene Polymorphisms of Polyunsaturated Fatty Acid Metabolic Rate-Limiting Enzymes and Acute Coronary Syndrome in Chinese Han Population

Table 7

The trans-phase analysis for genotypic combined effect in case and control groups.

Combined genotype^a	Case	Control	𝜒^2	𝑃	OR (95% CI)
rs174556 (C/C)-rs3756963 (T/T)	52	70	4.478	0.034	referent
rs174556 (C/C)-rs3756963 (C/T)	38	46	1.310	0.252	1.112 (0.635–1.946)
rs174556 (C/T)-rs3756963 (C/T)	30	34	0.482	0.487	1.188 (0.806–2.891)
rs174556 (C/T)-rs3756963 (T/T)	70	66	0.023	0.880	1.428 (0.873–2.335)
rs174556 (T/T)-rs3756963 (T/T)	21	9	4.656	0.031	3.141 (1.330–7.418)

Test of overall association: 𝜒² = 14.112, df = 6, 𝑃 = 0.028.
^aOnly listed the combined genotypes with frequencies >3%.